document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1054668>Question 1054668</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if this is december,then last month was november.if last month was was november,then six months ago it was june.if six months ago it was june,then eleven months ago it was january.if next month will be january,then this is december.last month was november.Therefore, this is december{D,N,J,A,X}.Sir, please guide how to check the validity of this argument.THIS PROBLEM is on my agenda since a few years. Please Help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #669847 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=669847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Instead of names, let's use numbers.<BR>\n" );
document.write( "1-January<BR>\n" );
document.write( "2-February<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "11-November<BR>\n" );
document.write( "12-December<BR>\n" );
document.write( "So, if M=12, then M-1=11. True<BR>\n" );
document.write( "If M-1=11, then M-6=M-1-5=11-5=6. True<BR>\n" );
document.write( "If M-6=6, then M+1=M-6+7=6+7=13=1. True (the months repeat after 12 months so 13=1)<BR>\n" );
document.write( "If M+1=13, then M+1-1=13-1=12. True<BR>\n" );
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